How to use

sync

method

in

org.antlr.v4.runtime.CommonTokenStream

  @Override
  public Token LT(int k) {
    //System.out.println("enter LT("+k+")");
    lazyInit();
    if ( k == 0 ) return null;
    if ( k < 0 ) return LB(-k);
    int i = p;
    int n = 1; // we know tokens[p] is a good one
    // find k good tokens
    while ( n<k ) {
      // skip off-channel tokens, but make sure to not look past EOF
      if (sync(i + 1)) {
        i = nextTokenOnChannel(i + 1, channel);
      }
      n++;
    }
//        if ( i>range ) range = i;
    return tokens.get(i);
  }

  @Override
  public Token LT(int k) {
    //System.out.println("enter LT("+k+")");
    lazyInit();
    if ( k == 0 ) return null;
    if ( k < 0 ) return LB(-k);
    int i = p;
    int n = 1; // we know tokens[p] is a good one
    // find k good tokens
    while ( n<k ) {
      // skip off-channel tokens, but make sure to not look past EOF
      if (sync(i + 1)) {
        i = nextTokenOnChannel(i + 1, channel);
      }
      n++;
    }
//        if ( i>range ) range = i;
    return tokens.get(i);
  }
 

  @Override
  public Token LT(int k) {
    //System.out.println("enter LT("+k+")");
    lazyInit();
    if ( k == 0 ) return null;
    if ( k < 0 ) return LB(-k);
    int i = p;
    int n = 1; // we know tokens[p] is a good one
    // find k good tokens
    while ( n<k ) {
      // skip off-channel tokens, but make sure to not look past EOF
      if (sync(i + 1)) {
        i = nextTokenOnChannel(i + 1, channel);
      }
      n++;
    }
//        if ( i>range ) range = i;
    return tokens.get(i);
  }

  @Override
  public Token LT(int k) {
    //System.out.println("enter LT("+k+")");
    lazyInit();
    if ( k == 0 ) return null;
    if ( k < 0 ) return LB(-k);
    int i = p;
    int n = 1; // we know tokens[p] is a good one
    // find k good tokens
    while ( n<k ) {
      // skip off-channel tokens, but make sure to not look past EOF
      if (sync(i + 1)) {
        i = nextTokenOnChannel(i + 1, channel);
      }
      n++;
    }
//        if ( i>range ) range = i;
    return tokens.get(i);
  }

  @Override
  public Token LT(int k) {
    //System.out.println("enter LT("+k+")");
    lazyInit();
    if ( k == 0 ) return null;
    if ( k < 0 ) return LB(-k);
    int i = p;
    int n = 1; // we know tokens[p] is a good one
    // find k good tokens
    while ( n<k ) {
      // skip off-channel tokens, but make sure to not look past EOF
      if (sync(i + 1)) {
        i = nextTokenOnChannel(i + 1, channel);
      }
      n++;
    }
//        if ( i>range ) range = i;
    return tokens.get(i);
  }